The UNIX way

What's so cool about the UNIX philosophy? What would a heavy UNIX philosophy operating system look like? What is the most heavy UNIX philosophy operating system out there at the moment, besides UNIX itself?

>>45
The POSIX subsystem only supports POSIX.1 and has been deprecated since Windows XP. Interix is only available on the most expensive Windows distros, and is badly broken to boot.
Powershell is a bad joke.